WASHINGTON — The collision off Japan that claimed the lives of seven sailors on the U.S. Navy destroyer Fitzgerald punched a hole large enough to drive a tractor trailer through, leaving the service with the considerable task of putting the crippled destroyer back together again. The bulbous bow of the ACX Crystal left a 12x17-foot hole beneath the waterline, per three Navy sources who spoke on background, an enormous breach that rapidly flooded three spaces. Sailors had about a minute to evacuate their berthing, and several were awoken by salt water rushing into their rack, per two sources familiar with the details of the accident said There is no indication that the ship sounded a collision alarm, which would have alerted sleeping crew members to the looming catastrophe, prior to the collision. Those details, however, are the subject of an ongoing Navy investigation. The...